IEEE Consumer Electronics Magazine - January/February 2023 - 72

Security, Trust and Privacy Solutions for Intelligent Internet of Vehicular Things
art. Then we introduce the detailed architecture
of the proposed system. Finally, we propose the
testbed architecture and evaluation and conclude
the article.
RELATED WORKS
Many approaches about emergency systems
have been studied actively in recent years,
which roughly focus on three main branches. (1)
Emergency calls. This traditional method only
provides audio information to the rescuer. (2)
New emergency communications. Based on edge
computing and 5 G, these approaches incorporate
the capabilities of transmitting multimedia
data into the overall management of emergency
services. (3) Reliable Emergency services. These
approaches can provide reliable communications
for emergency scenarios.9
However, there are still critical issues in the
Figure 1. Our proposed trustworthy informationcentric
fog system.
reduces the latency because multiple clients
may request the same information. Moreover,
we designed semantic-based trustworthy routing
mechanisms in fog network to defend against
malicious untrusted entities in ICN in the fog networks.
The contributions of the proposed system
are as follows.
We proposed a novel emergency communication
network, which aggregates and analyzes
emergencies with semantic analysis in the
network layer.
We designed a semantic-based trustworthy
routing scheme,whichfilters untrustedcontent
and improves quality of emergency services.
We proposed a testbed architecture for the
proposed system and implemented a sample
testbed, which can provide insights to
deploy the proposed system on existing
IIoVT devices.
The rest of the article is organized as follows.
We first provide an overview of the state of the
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existing emergency systems. First, although a
device to device system is proposed for safety
and emergency services,10 it still relies on fixed
access points and lacks an efficient information
dissemination scheme. Network infrastructure
such as based stations may fail due to natural
disasters, leading to disruptions of emergency
services in this system. Moreover, only a few
works address how to utilize semantic information
for emergency services and consider the
trustworthiness of the content.11 Although utilizing
fog networks can offer benefits such as low
latency, it also brings up security challenges
because the fog node can also be exploited by
malicious entities. There is no trust management
mechanism designed specifically for the emergency
system using ICN.
Our proposed system is resilient to the failure
of network infrastructure during disasters.
Besides, our proposed system analyzes the
semantic correlation between massive information
and helps to make swift decisions. In addition,
the information-centric fog network moves
the emergency management intelligence from
the cloud to the edge, which reduces the rescue
delay. Moreover, the proposed system manages
the trustworthiness of content and can resist
faked content from malicious entities. The proposed
system also utilizes the benefits of 5 G.
Internet Engineering Task Force (IETF) proposes
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